Proof Research 300BLK AR Barrel 12.5″ 1:7 Twist

Upgrade your AR-style rifle with the Proof Research 300BLK AR Barrel, featuring a 12.5-inch length and a precise 1:7 twist for superior accuracy. This barrel boasts a pistol gas system length and a gas journal diameter of .750, ensuring reliable performance. Constructed with cutting-edge carbon fiber technology, it offers lightweight durability, weighing only 1lb 3oz. The muzzle thread of 5/8 x 24 accommodates various muzzle devices. Enhance your shooting experience with this premium 300 Blackout barrel.